In the series of submucous resection cases which forms the basis of this paper, I find that the number of males predominates over the females three to one. The average age is 27.2 years. The youngest patient was 10 years of age; five patients were under 15 years of age; the oldest patient was 64 years. The deflection occurred one-third oftener to the left than to the right. Only six gave a clear traumatic history, while in one-third of the total there was an indefinite traumatic history. In all these cases the bone as well as the cartilage was involved. Seven patients had previously been operated on with the saw or by the Asch method.
There were three perforations of the septum, equaling 4 per cent., one due to early inexperience, one to Ballenger's knife and one to a knife slipping off the anterior nasal spine while dividing a very